XTool KC100 Key programmer|Owner’s Review
Last Updated on April 11, 2026 by Juraj
XTool KC100 is key programmer for Xtool OBD2 scanners. I have tried it for adding new key for my Volkswagen Golf and it worked without issues.
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XTool KC100 overview
Overall score
6.8
Xtool
Xtool KC100
The Xtool KC100 is iMMO key programmer accessory that works with compatible XTool scanners for key adding and IMMO functions.
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Personally tested by Juraj – what he likes
- Successfully programmed spare key to VW Golf Mk5
- Reads/writes IMMO data when scanner supports it
- Makes dealer key (pre-coding) before adaptation
- Simple and reliable once Expansion Mode is enabled
Things to consider
- NOT standalone
- Requires compatible XTOOL scanner
- Coverage depends fully on scanner software
✗ Global OBD✗ Full system codes✗ Full system live data✗ Bidirectional✗ Coding~ ECU programming
Service functions (1+)
Scores
Vehicle coverage
7/10
Ease of use
5/10
UX quality
5/10
Speed
8/10
Price / value
7/10
Build quality
8/10
✅These scores come from testing on real cars, solving real problems. How I test OBD2 scanners →
Specs
| Tool type | Standalone device |
| User level | Professional |
| Vehicle focus | All makes |
| System focus | key |
| Free updates | Lifetime |
| Subscription | Not required |
Real-world procedures tested with this tool
How to make new car key with KC100
Most popular OBD2 guides
My personal favourites
Best Overall
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Free lifietime updates
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Bluetooth
Most versatile
Bi-Directional Scan tools (+mobile)
Responses